Event and other content is always displayed in languages they were originally published by their publishers.
Some content creators may create their content in different languages. However not all publishers translate their content in many languages.
The default language for content is always your selected language. If the content is not available on your preferred language content is displayed in English. If English is not available the content is displayed in language it was originally created.
SEE ALSO FAQ ARTICLE ON: SELECTING MY LANGUAGE PREFENCEhttps://eventz.freshdesk.com/support/solutions/articles/36000022949-how-is-my-language-preference-is-set-